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Finding the Fourth Proportional to 189,100.20, 283,553.10 and 70,710.60

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Solution

The fourth proportional to 189,100.20, 283,553.10 and 70,710.60 is: 106,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,100.20 : 283,553.10 = 70,710.60 : x
  2. Step 2: Convert to fraction form
    189,100.20/283,553.10 = 70,710.60/x
  3. Step 3: Cross multiply
    189,100.20x = 283,553.10 × 70,710.60
  4. Step 4: Simplify right side
    189,100.20x = 20,050,209,832.86
  5. Step 5: Solve for x
    x = 20,050,209,832.86/189,100.20
  6. Step 6: Final answer
    x = 106,029.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.